Thermaflex - 56309000002 - 9" x 25' KM R8 Flex-Vent Insulated Flexible Air Duct

MFG: 56309000002
Loading Inventory
Loading price
/ BG


Flex-Vent KM Has A Strong Polyester Film Laminated and Encapsulating A Heavy, Corrosion Resistant Steel Wire Helix Thatforms the Innercore and Supports A Thick Blanket Of Fiberglass Insulation. The Outervapor Barrier Is A Bi-Directional, Reinforced Metallized Vapor Barrier Which Will Not Unravel. The Smooth Air Tight Inner Core Of Polyesteris Designed For Low To Medium Pressure Systems.

Flex-Vent Advantages:
  • Fast, Economical Installation.
  • Oversized Cores For Proper Fit.
  • Easily Shaped To Fit Oval Inlets.
  • Superior Insulation and Thermal Performance.
  • UL181 Listed and Complies with NFPA Standards 90A and 90B.
  • Complies with Most State and Federal Standards or Codes.
  • Ideal For Residential Air Distribution and Venting Applications.
  • Flex-Vent Is Competitively Priced and Backed By A 5 Year Warranty.
  • Diameter: 4-20 Inches ID
  • Pressure Rating: (Wg)
  • Positive: 10 Inches (4"-16" ID)6 Inches (18"-20" ID)
  • Negative: 1/2 Inch (4"-20" ID)
  • Velocity: 5000 Fpm
  • Temperature Range: -20F To 250F
  • R Value: R-4.2, R-6.0, R-8.0
  • 5 Year Warranty
Meets UL 181 and NFPA 90A-90B Fire Codes

California residents: see Proposition 65 Warning

Features and Specification

Insulated Yes
Fire Rating NFPA 90A-90B Fire Codes
Height 16.625000
Inside Diameter 9"
Features Complies with NFPA Standards 90A and 90B. Corrosion resistant steel wire helix. Fully lined for efficient air delivery. The outer vapor barrier is a jacket of fiberglass scrim reinforced metallized film laminate.
Length 16.625000
Maximum Pressure Positive = 10" (4-16" ID) 6" (18-20"ID) Negative= 1/2" (4-20" ID)
Comments/Notes UL Listed - USA & CAN
Application Air Distribution
Brand Thermaflex
Compliance NFPA 90 A and 90 B
EAN 0677431005500
Composition Fiberglass
Core Material Laminated Polyester Film
Cubic Measurement 4.898400
Dimensional Weight 65.000000
Maximum Air Flow 5000 FPM
Maximum Temperature 250°F (121.1°C)
UPC 677431005500
Size 9" x 25'
Tier KM
UL Listed Yes
UL Recognized Yes
Warranty Offered Yes
Width 30.625000
Package Length 16.625000
Operating Temperature -20°F to 250°F (-28.8°C to 121.1°C)
Package Height 16.625000
Package Weight 17.400000
Package Width 30.625000
Pressure Rating WG
R-Value R8
Weight 17.400000


picture_as_pdf specification sheet

picture_as_pdf submittal sheet